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Author ned.deily
Recipients Aivar.Annamaa, benjamin.peterson, cjrh, esc24, georg.brandl, kbk, markroseman, ned.deily, python-dev, rhettinger, ronaldoussoren, samueljohn, terry.reedy
Date 2018-02-28.05:43:26
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1519796607.08.0.467229070634.issue15663@psf.upfronthosting.co.za>
In-reply-to
Content
As of 3.7.0b1, the new macOS 10.9+ installer variant includes a private copy of Tcl/Tk 8.6: 8.6.7 for 3.7.0b1, updated to 8.6.8 for 3.7.0b2.  The framework layout is pretty much the same as in the original attempt, that is, everything is installed within /Library/Frameworks/Python.framework.  One big thing that has changed since the previous attempt: thanks to work by Matthew Brett et al, major Python packages that had C code referencing Tk (like matplotlib and Pillow) now discover Tcl and Tk symbols dynamically at run time rather than having to compile with a particular Tcl/Tk version's header files. That was the hangup previously because third-party apps had hardcoded paths to the Tcl/Tk header files on macOS.  Hopefully, there aren't many of those left and, if so, they can borrow code from matplotlib (https://github.com/matplotlib/matplotlib/pull/6442).  The legacy 10.6+ installer variants still link with Tcl/Tk 8.5.x from /Library/Frameworks/Tk.framework (a la ActiveTcl); ActiveState now only provides 8.6.x packages for macOS 10.9+ and Tk 8.6.x gets little exposure on older systems and depends more and more on features in newer macOS releases.
History
Date User Action Args
2018-02-28 05:43:27ned.deilysetrecipients: + ned.deily, georg.brandl, rhettinger, terry.reedy, kbk, ronaldoussoren, benjamin.peterson, markroseman, samueljohn, cjrh, python-dev, Aivar.Annamaa, esc24
2018-02-28 05:43:27ned.deilysetmessageid: <1519796607.08.0.467229070634.issue15663@psf.upfronthosting.co.za>
2018-02-28 05:43:27ned.deilylinkissue15663 messages
2018-02-28 05:43:26ned.deilycreate